*{
    padding: 0;
    margin: 0;
    line-height: 26px;
    font-size: 19px;
}
body{
    padding: 10px;
}
a{
    color: blue;
}
hr{
    margin: 10px 0;
}
ul{
    overflow: hidden;
}
.return_index a{
    padding: 5px 0;
    font-weight: bolder;
    color: cadetblue;
}

body, button, input, select, textarea, h1, h2, h3, h4, h5, h6 {
   font-family: Tahoma, Helvetica, Arial, "\5b8b\4f53", '宋体', sans-serif;
}